the following information is not yet verified
Taxonomy
Family: Neisseriaceae

Natural habitats
Most human Neisseria spp are considered normal inhabitants of the upper respiratory tract.

Clinical significance
It can appear as an opportunistic pathogen.

N. sicca was implicated, e.g., the causitive agent of endocarditis.

the following information is not yet verified
Gram negative diplococci,

appears in pairs

While Neisseria species are gram negative, occasionally a tendency to withstand decolorization.

Obligate aerobic

5% CO2 improves the growth

BA: they may produce a yellowish pigment

The colonies are large, ≤ 3 mm, smooth, with entire edges and can form dry, wrinkled, and grayish white, although some strains may produce a yellow pigment.

McConkey: no growth

BBAØ: no growth

James Versalovic et al.(2011) Manual of Clinical Microbiology 10th Edition